The phrase "ducking out" typically conveys the idea of avoiding or evading responsibility or a difficult situation. There are many antonyms for this phrase, depending on the context in which it is used. Some possible antonyms include "taking charge," "confronting," "facing up to," "admitting," "accepting responsibility," "following through," and "remaining steadfast." To avoid ducking out from important responsibilities or situations, one should show courage, determination, and a willingness to take responsibility for one's actions. Being honest and accountable for one's actions is always a better approach than trying to evade responsibility through ducking out.